The Two Princesses


Their first mission after the Calarni leads Yaden and Ivan to Goa, tracking down N'Bosoti artifacts. Encounters on the estate of Princess Kumari have implications both personal and political, but most importantly lead to Yaiciz - right into the machinations of Princess Anya, Ivan's deranged sister.


Facing ancient monsters, an obstinate Vertex, a recalcitant Duke and a traumatised Goddess, Yaden, Ivan and Colin will need all their courage and personal growth to save the day once again.

Written by award-winning authors Beryll and Osiris Brackhaus, 'The Two Princesses' is a riveting space-opera adventure novel about the difference between family and relatives, and the seventh book of the acclaimed 'Sir Yaden' series.


The cover of 'The Two Princesses', once again by the talented Anna Tif Sikorska.

Where to get the book


''The Two Princesses' will be published on December 14th, 2023, and is already available for pre-order at the following retailers, among others:



Apple Books

Barnes & Noble




In case your favourite shop does not offer our books, please let us know and we'll fix this! 


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(c) Beryll & Osiris Brackhaus